Noise on the Ice

[fishnate]

I believe it depends on the specific circumstances of the environment. Fish know their environment and what is "normal" and "safe" where they live and things (shadows, movements, vibrations) that are abnormal causes a cautious reaction. Fish are constantly aware of dangers and they are also constantly looking for opportunity to feed both of which are telegraphed to their senses. Vibrations in the water give them clues as to what is going on. Fish are used to many different types of noise (vibrations) in the water. Fish that are in an aggressive feeding mood will often check out low frequecy vibrations (such as an auger cutting ice, the splash of a lure, or diving birds) that may signal a feeding opportunity. Unfamiliar, sustained noises such as boats, ATV's, and snowmobiles often cause fish to go inactive or move. As much as anything, these noises may cause the smaller prey organisms to retreat making it less profitable for predators to be on the hunt. Just a thought based on observation.
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